Denon DRA-400 Manual

The Denon DRA-400 is a high-performance stereo receiver designed to deliver exceptional audio quality for music enthusiasts. It features a robust power output, multiple input options, and advanced audio processing capabilities, making it an ideal choice for both casual listeners and audiophiles. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Playing Audio Media 8. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-quality amplifier, multiple audio inputs, remote control, headphone jack, and advanced sound processing features.

Feature	Description
High-quality amplifier	Delivers powerful and clear audio output
Multiple audio inputs	Supports various sources including CD, AUX, and digital inputs
Headphone jack	For private listening
Remote control	Convenient control from a distance
Advanced sound processing	Enhances audio quality and performance

Installation

Unpack and inspect contents. Place the receiver on a stable surface.

Connect speakers: Use appropriate speaker wire to connect to the receiver's speaker terminals.
Connect audio sources: Use RCA cables for CD players, AUX inputs, or digital connections.
Plug into AC power.

WARNING! Ensure all connections are secure to avoid damage.

First-Time Setup

Power on the receiver; follow on-screen prompts if available.

Select input source: Use the INPUT button on the remote to choose your audio source.
Adjust settings: Access the setup menu to configure audio settings according to your preferences.

CAUTION! Ensure stable surface; handle with care.

Specifications

Power Output: 70 watts per channel (8 ohms).
Audio Inputs: 4 x RCA, 1 x Optical, 1 x Coaxial.
Frequency Response: 10 Hz - 100 kHz.
Signal-to-Noise Ratio: 100 dB.
Dimensions: 17.1 x 5.9 x 13.4 inches.
Weight: 20.5 lbs.
Power Source: 120V AC, 60Hz.

Controls and Settings

Access settings via the front panel or remote control. Key controls include POWER, INPUT, VOLUME, and TONE controls.

Remote: POWER, INPUT, VOLUME, TONE, and preset buttons for quick access.

Connecting Devices

Connect audio sources using the appropriate cables to the designated inputs on the receiver.

Turn off the receiver and devices before connecting.
Match cables to ports (e.g., RCA to audio input).
Select input via the INPUT button on the remote.

Tip: Ensure all devices are powered off before making connections.

Playing Audio Media

Supports various audio formats including CD and digital audio.

Insert media: Load CD or connect digital source.
Play: Use the PLAY button to start playback.
Stop: Press STOP to halt playback.
Skip: Use PREV/NEXT buttons for tracks.

WARNING! Do not force media into the player; handle with care.

Accessibility Features

Remote control provides easy access to all functions for users with mobility challenges.

Care & Cleaning

Unplug before cleaning. Use a soft, dry cloth to clean the exterior.

CAUTION! Avoid using liquids or aerosols; keep away from heat sources.

Regulatory Information

This device complies with FCC Part 15 regulations. For support, visit www.denon.com or contact customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Remote does not work	Obstacles/batteries	Remove obstacles; replace batteries.
No sound	Connections/mute	Check connections; ensure mute is off.
Audio distortion	Volume too high	Lower volume; check speaker connections.
Input not recognized	Incorrect input selected	Ensure correct input is selected on the receiver.

Reset: Menu > System > Reset if available.

Service: Contact Denon support for assistance.